Assumptions:
Jupiter's moon Europa has a salty subsurface ocean in contact with a rocky mantle.
The ocean is populated by hydrothermal vents produced by tidal heating. Global heat flow is similar to ...

I'm imagining a hypothetical scenario based on the Big Rip theory of the end of the universe (https://en.wikipedia.org/wiki/Big_Rip), where eventually the expansion of the universe causes everything ...

Humans developed technology from sticks and stones to computers and rockets in thousands of years. However most of this is only possible given access to certain elements like iron, copper and the like....

What I'm looking at doing is a small game where you land on a planet, and the atmosphere is not survivable by a human being, but there is local life.
Over the course of the game, terraforming has to ...

For the longest time, Australia and Antarctica were one and the same. It wouldn't be until 30 million years ago that Australia broke up from Antarctica. Nowadays, the distance between Australia and ...

In the game Monster Hunter World, there is a place called the coral highlands. The coral highlands is one of the most spectacular things to look at in the game, having a resemblance to a ocean without ...

I recently asked a question about’ “The feasibility of the coral highlands”, which come from a game called “Monster Hunter World”. In the game, there is another place, called, “The Rotten Vale”, which ...

The planet has 256 days in a year, split up into eight months, each with 32 days.
My planet is a bit smaller than Earth: Think, enough space for the continents of Earth’s western hemisphere and the ...

Okay so my story takes place on a desert planet, and the plot revolves around nomadic people who get from place to place with the help of wooden wagons (think Oregon trail). Well, I need some way for ...

Humans (even programmers :-) ) are used to having some access to natural light, but in a colony in space, on the dark side of a tidally-locked planet, or underground (for example) this won't happen. ...

The planet needs to be able to support life but initially ve devoid of it. Which I would think would make it's Soil like that of a desert. The regolith may be important for early agriculture. It can ...

My story take place in 200 years forward post apocalypstic war between two faction which the (villain) protagonist side have massive fuel economy disadvantages compare to their enemy who mastered bio ...

I'm getting into mapmaking, which I enjoy, but some of the specifics of realism still elude me. I know generally how plate tectonics work, but I was hoping to get some help on a specific example. I ...

I know that red dwarf stars are dimmer than ours. But I also know that red dwarf stars emit a lot of infrared light, so creatures on a world orbiting it would have eyes that see infrared light.
If a ...

Is it possible in 21st century Earth for someone to create a small super insulated box to store heat like an "anti-freezer" such as putting lava inside the box and the box not being hot to the touch ...

On Earth, while birds and reptiles can be quite brightly colored, it's rare for mammals to have any bright colors, and the rare times they do, it's either just slightly different (like with orangutans)...

Let's say we have a species of plant, that, for whatever reason, only wants to be pollenated by female pollinators. Maybe this gives some advantage to the plant and/or pollinator.
Why would a plant ...

Plant poisons in our world (that I'm familiar with) have operational half-lives in the order of seconds to maybe a day to reach full effects. This is because poisons are a defense mechanism and work ...

We have a question that covers what would happen if the world didn't have any wind. What I want to know is how we would get there in the first place. Given that we aren't using any magic, what would ...

Building out a place less than 100 years in the future where the world is finally in agreement that it's coming to an end, in about 10 years or less. The air is trash, high government people are in ...

Setup: Earth developed in an alternate universe with small oceans and little water. A little before animals first left the oceans and began to walk on land, when all of Earth's land was barren sand, ...

When creating a map for a fantasy world, I typically add broad top-level descriptions for terrain. Mountains here, forests there, a river, a swamp etc.
Watch any nature documentary, and each terrain ...

I'm in the process of naming some routes and roads in my medieval fantasy themed world, and I want to specify routes that could only be managed on foot. I'm tempted to say trails, but since every body ...

My story takes place on the moon of a large gas giant planet. I have been trying to decide on a way for the moon to be as Earth-like as possible, but I have now decided to ask the community for help, ...

*By complex life, I mean something more complex than microorganisms. Something closer to what we have on Earth.
Similar to this question: Is it possible for life to evolve on planets without water?
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Context: Humans have escaped a a super-bacteria, similar in situation to the Bubonic Plague, that they could not create a cure for. They've done this by engineering gargantuan trees and adapting to ...

If an Earth-like planet had an older, red sun — or maybe just a reddish sky due to some property of the atmosphere — how would that affect the growth and/or adaptation of plant and animal life on the ...

I'm starting a story taking place around 2080 AD/CE, and I'm wondering if the key element - global pollution - is plausible.
In my storyline, the XXIst century brings no huge technological advances (...

In my fictional universe there are two galactic civilizations that have never interacted until recently and thus have developed different cultures, science, etc.
From a technological standpoint, one ...

An ice age has hit the already cold planet of Ryu 108. Its inhabitants, with the culture and technology of Scandinavia at the height of the viking age, are forced to feed themselves with a drastically ...

May be the wrong site, but researching for a writing project... What effect would there be on a group of humans living in a lightless and cramped environment (assume underground) for nearly 800 years, ...

The planet is huge roughly four times the size of earth, with lots of hydrogen in its atmosphere (group A water in Hydrogen out, B water out.) it is also very humid. what do I do to have giant Storms ...